How do i get to thermostat on 1999 mercury villager?

What is your question?

I'm changing that but can't get the housing up through the a c pipes. It has a 3.3 ltr. Engine .

What makes this problem better or worse?

No room

How long has your 1999 Mercury Villager had this problem?

Been trying to get it up thru those metal pipes for a wk. Had it out once but put permatex on it b4 reinstalling ( I know can't fix stupid) now have to remove I to clean and can't get out